Finding the Fourth Proportional to 196,980.12, 295,470.12 and 157,351.68
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Solution
The fourth proportional to 196,980.12, 295,470.12 and 157,351.68 is: 236,027.47
Step by Step Solution
- Step 1: Write the proportion equation
196,980.12 : 295,470.12 = 157,351.68 : x - Step 2: Convert to fraction form
196,980.12/295,470.12 = 157,351.68/x - Step 3: Cross multiply
196,980.12x = 295,470.12 × 157,351.68 - Step 4: Simplify right side
196,980.12x = 46,492,719,771.80 - Step 5: Solve for x
x = 46,492,719,771.80/196,980.12 - Step 6: Final answer
x = 236,027.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.